Figure 3-8 Middle-Trigger - Agilent Technologies U2300A Series User Manual

Features and Functions 3
Middle-trigger
This trigger type is used when you want to collect data
before and after a trigger event. The sampled data are equal
before and after trigger. For example, if the user specify four
sample points, the conversion only begins after the trigger
event occurs. Two sample points before and after the trigger
are taken. Refer to the following figure for further
illustration.

Figure 3-8 Middle-trigger

Post-trigger
The post- trigger is the default setting and used in
applications when you want to collect data after a trigger
event. As illustrated in the following figure, the sample point
are set to two. Total of two sample points are taken after
the trigger starts.
U2300A Series USB DAQ User's Guide 69